Chair



FIG. 1 is a side elevational view of a chair showing my new design, the opposite side being a mirror image thereof, with the exception of the adjustment handle;

FIG. 2 is a three quarter side elevational view of a chair showing my new design, the opposite side being a mirror image thereof, with the exception of the adjustment handle;

FIG. 3 is a perspective view taken from the side and from above of a chair showing my new design;

FIG. 4 is top view of a chair showing my new design; and,

FIG. 5 is a bottom view. 

The ornamental design for a chair, as shown and described. 